These commands affect either selected lines or the current line if no text is selected. This submenu can be found under the Modify menu.
Quote Text
Adds e-mail quote character(s) at the beginning of lines. The default quote character is ">". It can be changed by editing the "E-mail Quote" field on the Internet tab in the Options dialog box.
Unquote Text
Removes all ">" e-mail quote characters from the beginning of lines. This command does not take into account the setting in the "E-mail Quote" field on the Internet tab in the Options dialog box!